March 20, 2023. The California Municipal Utilities Association, California-Nevada Section of the American Water Works Association, Association of California Water Agencies and a number of water systems prepared the enclosed document “Water Industry Guidance for Completing Inventory Requirements of the Federal Lead and Copper Rule Revisions.” (LCRR Inventory Industry Guidance_March 2023 ).
From the Introduction: “This document provides guidance to water systems on the methods for identifying service line materials and the type(s) of information water systems must include in their service line inventory under LCRR requirements.”
